Bicycle crunches are fantastic for targeting the entire abdominal area. Lie on your back with your hands behind your head and legs lifted. Bring one knee towards your chest while twisting your torso to touch the opposite elbow to that knee.
The plank is a core-strengthening exercise that engages multiple muscle groups. Begin in a push-up position, then lower your forearms to the ground and hold your body in a straight line from head to heels.
Leg raises target the lower abs. Lie flat on your back with your hands at your sides. Lift your legs to a 90-degree angle, keeping them straight, then slowly lower them back down without touching the floor.
Russian twists help in toning the obliques. Sit on the floor with your knees bent and feet off the ground. Lean back slightly and twist your torso from side to side, touching the floor beside you with your hands.
Mountain climbers are a dynamic exercise that combines cardio with core strength. Start in a plank position and rapidly alternate bringing each knee towards your chest. Aim for 3 sets of 30-45 seconds.
Reverse crunches focus on the lower abs. Lie on your back with your hands by your sides. Lift your legs and hips off the floor towards your chest, then slowly lower them back down.
Toe touches are effective for engaging the upper abs. Lie on your back with your legs extended towards the ceiling. Reach for your toes with your hands while lifting your shoulders off the ground.
Flutter kicks work the lower abs and hip flexors. Lie on your back with your hands under your hips. Lift your legs slightly off the ground and alternate kicking them up and down in a fluttering motion.
Scissor kicks are great for working the lower abs. Lie on your back with your hands at your sides. Lift your legs slightly off the floor and cross them over each other in a scissor-like motion.
The side plank strengthens the obliques and helps improve overall core stability. Lie on your side with your legs stacked. Prop yourself up on your elbow and hold your body in a straight line.